Analysis

  • max time kernel
    141s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    03-08-2024 00:39

General

  • Target

    GlucoseBootstrapper.exe

  • Size

    310KB

  • MD5

    42b5a7ab130d52ef5d1cdb8f1a62e70c

  • SHA1

    43b4275d2442fc2e352dc1890b0dfa031f6aec88

  • SHA256

    27bea02ba16a40be47d94547a9cad6dbc6b40111bbf7616c175cf81c83260a5e

  • SHA512

    1eee045c0d92e8e235694620ea53f379a6a87514b84a0783ff92c85187a51b6a03e7d839910a564e1f7f58d861be87597e3cef056e103877ff6067648dbf7979

  • SSDEEP

    6144:rW991UbxJWt5c2xE7orTkcikKfnvVREg8SSovnF6zeZm4wgXtMhSWJTz3A2Gatec:rOzw45W26CC

Malware Config

Extracted

Family

xenorat

C2

127.0.0.1

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    5000

  • install_path

    temp

  • port

    4444

  • startup_name

    antibyfron

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\GlucoseBootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\GlucoseBootstrapper.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Users\Admin\AppData\Local\Temp\XenoManager\GlucoseBootstrapper.exe
      "C:\Users\Admin\AppData\Local\Temp\XenoManager\GlucoseBootstrapper.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "antibyfron" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAE6.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpBAE6.tmp

    Filesize

    1KB

    MD5

    479d65117a5f7fac01ce118201caafb3

    SHA1

    b2d86fc21c0a76e9affa72fb3a5c2ae415219dc3

    SHA256

    00a4d1e077010c21caad86d8abb241f758cb1fe6b5d3ca28fd951f982825b1e3

    SHA512

    e07eca7b339b617e1156d13c24c087f4f519dd3a24d60717c2e2decba13243ec2b428280725072cef92045534f67abc9e26daac8dba6114a96703c7dd9ba990f

  • \Users\Admin\AppData\Local\Temp\XenoManager\GlucoseBootstrapper.exe

    Filesize

    310KB

    MD5

    42b5a7ab130d52ef5d1cdb8f1a62e70c

    SHA1

    43b4275d2442fc2e352dc1890b0dfa031f6aec88

    SHA256

    27bea02ba16a40be47d94547a9cad6dbc6b40111bbf7616c175cf81c83260a5e

    SHA512

    1eee045c0d92e8e235694620ea53f379a6a87514b84a0783ff92c85187a51b6a03e7d839910a564e1f7f58d861be87597e3cef056e103877ff6067648dbf7979

  • memory/1656-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

    Filesize

    4KB

  • memory/1656-1-0x0000000000D20000-0x0000000000D74000-memory.dmp

    Filesize

    336KB

  • memory/1968-9-0x0000000000FA0000-0x0000000000FF4000-memory.dmp

    Filesize

    336KB

  • memory/1968-10-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1968-13-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1968-14-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1968-15-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB